O - P
- Offspring - Smash +++++
- Offspring - Ixnay on the Hombre +++++
- Offspring - Americana ++1/2
- Offspring - Conspiracy of One ++
- Orgy - Candyass +++
- Orgy - Vapor Transmission +++1/2
- Ozzy Osbourne - Blizzard of Ozz ++++1/2
- Ozzy Osbourne - Diary of a Madman ++++
- Ozzy Osbourne - Bark At the Moon ++++1/2
- Ozzy Osbourne - The Ultimate Sin +++1/2
- Ozzy Osbourne - No More Tears ++++
- Ozzy Osbourne - Live & Loud +++1/2
- Ozzy Osbourne - Ozzmosis ++++
- Ozzy Osbourne - The Ozzman Cometh ++++
- Ozzy Osbourne - Down to Earth +++
- P.O.D. - The Fundamental Elements of Southtown +1/2
- P.O.D. - Satellite ++1/2
- Pantera - Cowboys From Hell ++++
- Pantera - Vulgar Display of Power +++++
- Pantera - Far Beyond Driven +++++
- Pantera - The Great Southern Trendkill +++1/2
- Pantera - Official Live: 101 Proof ++++
- Pantera - Reinventing the Steel +++++
- Papa Roach - Infest +++
- Pearl Jam - Ten ++++1/2
- Pearl Jam - VS ++++1/2
- Pearl Jam - Vitology ++++
- Pearl Jam - No Code +++
- Pearl Jam - Yield +++1/2
- Pearl Jam - Binural +++1/2
- Pitchshifter - www.pitchshifter.com +++
- Pitchshifter - Deviant +++1/2
- Powerman 5000 - Tonight the Stars Revolt +++1/2
- Powerman 5000 - Anyone For Doomsday? ++
- Primer 55 - Introduction to Mayhem +
- Primer 55 - The New Release +++
- Puddle of Mudd - Come Clean +